Skier triggered avalanche on Proletariat-Tamarack Peak

Location Name: Tamarack Peak Region: Mount Rose Area Observation Date & Time: Saturday, March 17, 2018 - 03:30
Location: 39.316613, -119.917767 See map: CalTopo	Is this an Avalanche Observation?: Yes Conditions Alerts: Avalanche Activity Recent Loading Terrain Alerts: Slopes Steeper than 30 degrees Obvious Slide Path Trigger Points

Observation made by: Public

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Observation

Description of Snow, Weather, and Avalanche Conditions:

See this observation for a crown profile from a few days later.

This slide was triggered by the 7th person to ski the slope. The person was carried by the avalanche and lost skis and poles. When the slide stopped moving the person ended up only partially buried and was able to self-rescue. The person later returned and found their gear.

Avalanche Details

Avalanche Type:

Storm Slab

Failure Plane/Weak Layer:

New/old snow interface

Additional number of similar avalanches:

Trigger

Trigger:

Skier

Trigger Modifier:

Accidentally Triggered

Terrain

Start Zone Slope Angle:

38degrees

Aspect:

East

Starting Elevation:

near-treeline

Size

Destructive Size:

D2 Could bury, injure, or kill a person.

Relative Size:

R3 Medium

Crown Height:

3 ft

Avalanche Width (Average width):

200ft.

Avalanche Length (Vertical Run):

300ft.

People Involved

Number of people caught:

Number of partial burials:

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Skier triggered avalanche on Proletariat-Tamarack Peak

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Skier triggered avalanche on Proletariat-Tamarack Peak

Conditions Alerts:

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